4C28

Crystal structure of Trypanosoma cruzi CYP51 bound to the inhibitor (R)-N-(3-(1H-indol-3-yl)-1-oxo-1-(pyridin-4-ylamino)propan-2-yl)-4-(4-(4-chlorophenyl)piperazin-1-yl)-2-fluorobenzamide.

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	4C0C	PDB ENTRY 4C0C

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		0.4 M AMMONIUM ACETATE, 0.1 M SODIUM ACETATE PH 4.5, 28% PEG 3350, 5% JEFFAMINE M-600 PH 7.0

Crystal Properties
Matthews coefficient	Solvent content
2.36	47.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 72.951	α = 90
b = 79.005	β = 90
c = 176.839	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	110	CCD	MARRESERCH	MIRRORS	2013-07-26	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ALS BEAMLINE 8.3.1		ALS	8.3.1

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	2.04	176.84	86.4	0.07	9.9	3.5		56809		0.5	28.6

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.04	2.15	47.8		0.54	1.6	2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDB ENTRY 4C0C	2.03	72.24	54178	2904	85.41	0.18836	0.18574	0.23761	RANDOM	25.021

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
0.06			1.31		-1.36

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.689
r_dihedral_angle_4_deg	21.349
r_dihedral_angle_3_deg	16.471
r_dihedral_angle_1_deg	6.371
r_mcangle_it	2.809
r_scbond_it	2.73
r_angle_refined_deg	1.911
r_mcbond_it	1.901
r_mcbond_other	1.898
r_angle_other_deg	0.906
r_chiral_restr	0.105
r_bond_refined_d	0.017
r_gen_planes_refined	0.009
r_gen_planes_other	0.004
r_bond_other_d	0.002
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	7033
Nucleic Acid Atoms
Solvent Atoms	410
Heterogen Atoms	177

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing